Analysis

  • max time kernel
    60s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    24-06-2021 15:40

General

  • Target

    f8030919d680a4472a073a02cf654d3a.dll

  • Size

    937KB

  • MD5

    f8030919d680a4472a073a02cf654d3a

  • SHA1

    68296c447bc36e3c8937326b13efb30b12fc3e95

  • SHA256

    414adbe98a003b5f59897eea2415c276b089c1dbf45be8d6687d7b55f051baaf

  • SHA512

    d46f334c45df8673827f71ced652cba4fd8331748a7f4512dec77819de561b5b30440d50292b0b89e61b409e971b6d00599118da3cb7335ed8d19ae5b0cfd241

Malware Config

Extracted

Family

gozi_ifsb

Botnet

4500

C2

app3.maintorna.com

chat.billionady.com

app5.folion.xyz

wer.defone.click

Attributes
  • build

    250188

  • exe_type

    loader

  • server_id

    580

rsa_pubkey.plain
serpent.plain

Signatures

  • Gozi, Gozi IFSB

    Gozi ISFB is a well-known and widely distributed banking trojan.

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8030919d680a4472a073a02cf654d3a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8030919d680a4472a073a02cf654d3a.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c cd Island
        3⤵
          PID:352
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c cd Matter m
          3⤵
            PID:1736

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/352-115-0x0000000000000000-mapping.dmp
      • memory/1736-116-0x0000000000000000-mapping.dmp
      • memory/2188-114-0x0000000000000000-mapping.dmp
      • memory/2188-118-0x00000000743A0000-0x00000000744A4000-memory.dmp
        Filesize

        1.0MB

      • memory/2188-117-0x00000000743A0000-0x00000000743AE000-memory.dmp
        Filesize

        56KB

      • memory/2188-119-0x0000000000FA0000-0x0000000000FA1000-memory.dmp
        Filesize

        4KB